How can I stop balcony mildew?« Back to Previous Page

After the rain last month, I noticed a musty smell in my balcony area, especially when it’s humid. The window sills are always damp despite drying them frequently, and there's even some mildew growing along the edge of where the wall meets the floor. How can I effectively prevent this from happening or recurring without having to keep the windows open all the time?
Posted by Ashley Young
Asked on December 21, 2025 3:53 pm
0
Cleaning and preventing balcony mildew can be quite the challenge especially after rainfall. In Dubai and across UAE, humidity levels can rise significantly following a downpour, creating the perfect conditions for mold to grow. To effectively tackle this issue without keeping your windows perpetually open, here are some steps you might want to take.

Firstly, it's essential to ensure proper ventilation in your balcony area. While continuous airflow isn't necessary, ensuring that air can circulate freely will help reduce dampness. Open the window occasionally during sunny days and use a fan if needed to enhance air movement. However, this doesn’t need to be done 24/7 – just enough to keep moisture at bay.

Secondly, clean up any water damage or leakage promptly. Check for leaks in pipes and ensure that your balcony’s drainage system is functioning correctly. Water pooling can lead to mold growth. Also, inspect the seals around doors and windows for any signs of wear which could allow rainwater entry.

Using a dehumidifier might also be beneficial, especially if you notice persistent dampness even after drying surfaces thoroughly. These devices can help reduce moisture levels in the air, making it harder for mildew to thrive.

Regarding the specific conditions on your balcony – the window sills being damp and mildew growing along the edge of the wall - you may need to address this with a combination of cleaning and sealing. Use a solution of water and vinegar or a commercial mold cleaner to scrub away any existing mildew. Afterward, apply a waterproof sealant to prevent future growth.

Lastly, if the issue persists despite your efforts, it might be time for a professional inspection. In Dubai, companies like Saniservice can help diagnose and resolve more serious cases of dampness and mold. You can reach out to them at 800-MOLDS or by emailing hello@saniservice.com.

Remember, prevention is key when dealing with balcony mildew in the UAE. Regular maintenance, proper sealing, and addressing any leaks early on will go a long way towards keeping your outdoor space healthy and mold-free.
Posted by Sani Admin
Answered on December 26, 2025 6:04 am